Table 4.

Pestivirus seroprevalence and number of farms harbouring seropositive animals (“farms affected”) according to the ELISA results of sheep sera collected in 2016–2017.

Canton	Positive	Negative	Inconclusive	Seroprevalence	Farms affected
LU	10	272	5	3.5%	4 (22%)
NW	42	60	1	41.2%	4 (100%)
OW	39	83	1	32.0%	3 (33%)
SZ	86	504	27	14.6%	16 (55%)
UR	68	279	14	19.6%	10 (56%)
ZG	37	56	0	39.8%	2 (40%)
Total	282	1,254	48	18.4%	39 (47%)

Samples with inconclusive ELISA results were omitted from the calculation of the seroprevalence.